JP4953657B2 - Shifting operation device - Google Patents

Shifting operation device Download PDF

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JP4953657B2
JP4953657B2 JP2006049375A JP2006049375A JP4953657B2 JP 4953657 B2 JP4953657 B2 JP 4953657B2 JP 2006049375 A JP2006049375 A JP 2006049375A JP 2006049375 A JP2006049375 A JP 2006049375A JP 4953657 B2 JP4953657 B2 JP 4953657B2
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peripheral surface
inner peripheral
deformation
holding means
support means
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JP2007223545A (en
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広将 近藤
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Aichi Machine Industry Co Ltd
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Aichi Machine Industry Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H2059/026—Details or special features of the selector casing or lever support
    • F16H2059/0269—Ball joints or spherical bearings for supporting the lever

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shift operation device capable of enhancing sliding property in a push-down direction of a shift lever. <P>SOLUTION: The shift operation device 1 for performing shift operation to a reverse stage by the push-down operation of the shift lever 7 is provided with a support means 5 for pivotably supporting the shift lever 7; a retaining means 3 provided on a transmission case 2 for slidably retaining the support means 5 in the push-down direction; and an absorption means 4 arranged between the support means 5 and the retaining means 3 and capable of absorbing deformation by thermal expansion of the support means 5. The absorption means 4 has a guide means formed in an approximately cylindrical shape and guiding deformation of an inner peripheral surface in a direction of the retaining means 3; and a projection prevention means capable of preventing projection deformation of the inner peripheral surface in a direction of the support means 5 based on the deformation. <P>COPYRIGHT: (C)2007,JPO&amp;INPIT

Description

本発明は、変速操作装置に関するものである。   The present invention relates to a speed change operation device.

従来、この種の変速操作装置としては、シフトレバーが、変速機ケース側に設けられる金属製のリテーナーに摺動可能に嵌合された樹脂製のボールシートによって球面支持されるものが提案されている。
この変速操作装置では、シフトレバーをボールシートを介して押し下げ操作することでリバースへのシフト操作が行なえるものとしている。
特開２００３−１１８４１２号公報 Conventionally, as this type of speed change operation device, there has been proposed one in which a shift lever is spherically supported by a resin ball seat slidably fitted to a metal retainer provided on the transmission case side. Yes.
In this speed change operation device, a shift operation to the reverse can be performed by depressing the shift lever via a ball seat.
Japanese Patent Laid-Open No. 2003-118412

しかしながら、こうした変速操作装置では、ボールシートがリテーナーに比して熱膨張係数が大きいことから、高温下の使用においては、ボールシートがリテーナー側に張り付き、シフトレバーの摺動不良が生ずる。   However, in such a speed change operation device, since the ball seat has a larger thermal expansion coefficient than the retainer, the ball seat sticks to the retainer side when used at a high temperature, resulting in poor sliding of the shift lever.

本発明は上記従来の問題点に鑑み案出したものであって、シフトレバーの押し下げ方向の摺動性を向上することを目的とし、その請求項１は、シフトレバーの押し下げ操作によりリバース段へのシフト操作を行なう変速操作装置であって、
前記シフトレバーを揺動可能に支持する支持手段と、
変速機ケースに設けられ前記支持手段を前記押し下げ方向に摺動可能に保持する保持手段と、
外周面側に前記保持手段が配置され内周面側に前記支持手段が配置される略円筒形状に形成されるとともに、前記外周面と前記内周面との間に円周方向に沿う複数の空間部が形成され、前記支持手段の熱膨張による変形を吸収可能な吸収手段と、
を備え、
前記吸収手段は、前記内周面の前記保持手段方向への変形を誘導する誘導手段と、前記空間部同士を隔てる第二隔壁に対向する前記内周面を前記保持手段方向側へ凹ませた凹形状とすることにより前記変形に基づく前記内周面の前記支持手段方向への突出変形を防止する突出防止手段と、を有する手段であることである。 The present invention has been devised in view of the above-described conventional problems, and has an object of improving the slidability of the shift lever in the push-down direction. Claim 1 is directed to the reverse stage by the push-down operation of the shift lever. A shift operation device for performing a shift operation of
Support means for swingably supporting the shift lever;
Holding means provided in a transmission case for holding the support means slidably in the push-down direction;
The holding means is arranged on the outer peripheral surface side and the support means is arranged on the inner peripheral surface side. The holding means is formed in a substantially cylindrical shape, and a plurality of circumferential directions are provided between the outer peripheral surface and the inner peripheral surface. An absorption means in which a space is formed and capable of absorbing deformation due to thermal expansion of the support means ;
With
The absorbing means includes a guiding means for inducing deformation of the inner peripheral surface in the holding means direction, and an inner peripheral surface facing the second partition wall that separates the space portions from each other toward the holding means direction side. It is a means which has the protrusion prevention means which prevents the protrusion deformation | transformation to the said support means direction of the said internal peripheral surface based on the said deformation | transformation by setting it as a concave shape .

また、請求項２は、前記誘導手段は、前記内周面と前記空間部とを隔てる第一隔壁を前記保持手段方向へ湾曲した形状に形成することで前記内周面の前記保持手段方向への変形を誘導する手段であることである。 Further, according to claim 2, before Symbol guidance means, the holding means the direction of the inner circumferential surface by forming a first partition separating the said inner peripheral surface and the space portion in a shape curved to the holding means directions It is a means for inducing the deformation to.

また、請求項３は、前記誘導手段は、前記第一隔壁の少なくとも一部に他の部分に比して剛性の小さい低剛性部を形成することで前記内周面の前記保持手段方向への変形を誘導する手段であることである。   According to a third aspect of the present invention, the guide means forms a low-rigidity portion having a lower rigidity than other parts in at least a part of the first partition wall, thereby moving the inner peripheral surface toward the holding means. It is a means for inducing deformation.

また、請求項４は、前記第一隔壁は、前記第二隔壁よりも剛性が小さいことである。 Furthermore, claim 4 is the first partition is that the stiffness is smaller than the previous SL second partition.

また、請求項５は、前記吸収手段は、前記支持手段に比して熱膨張係数が大きい手段であることである。   A fifth aspect of the present invention is that the absorption means is a means having a larger coefficient of thermal expansion than the support means.

本発明は、シフトレバーの押し下げ操作によりリバース段へのシフト操作を行なう変速操作装置であって、
前記シフトレバーを揺動可能に支持する支持手段と、
変速機ケースに設けられ前記支持手段を前記押し下げ方向に摺動可能に保持する保持手段と、
外周面側に前記保持手段が配置され内周面側に前記支持手段が配置される略円筒形状に形成されるとともに、前記外周面と前記内周面との間に円周方向に沿う複数の空間部が形成され、前記支持手段の熱膨張による変形を吸収可能な吸収手段と、
を備え、
前記吸収手段は、前記内周面の前記保持手段方向への変形を誘導する誘導手段と、前記空間部同士を隔てる第二隔壁に対向する前記内周面を前記保持手段方向側へ凹ませた凹形状とすることにより前記変形に基づく前記内周面の前記支持手段方向への突出変形を防止する突出防止手段と、を有する手段であることにより、吸収手段が支持手段の熱膨張による変形を吸収するから、支持手段の保持手段に対する摺動不良を防止することができる。
また、熱膨張による吸収手段の内周面の変形が保持手段方向へ誘導されるとともに、この保持手段方向への変形に基づいて内周面が支持手段方向へ変形しても内周面から突出して変形することがないから、支持手段の熱膨張による保持手段方向への変形を良好に吸収することができる。この結果、シフトレバーの押し下げ方向の摺動性を向上することができる。また、簡易な構成で吸収手段の内周面の支持手段方向への突出変形を防止することができる。 The present invention is a shift operation device that performs a shift operation to the reverse stage by a push-down operation of a shift lever,
Support means for swingably supporting the shift lever;
Holding means provided in a transmission case for holding the support means slidably in the push-down direction;
The holding means is arranged on the outer peripheral surface side and the support means is arranged on the inner peripheral surface side. The holding means is formed in a substantially cylindrical shape, and a plurality of circumferential directions are provided between the outer peripheral surface and the inner peripheral surface. An absorption means in which a space is formed and capable of absorbing deformation due to thermal expansion of the support means ;
With
The absorbing means includes a guiding means for inducing deformation of the inner peripheral surface in the holding means direction, and an inner peripheral surface facing the second partition wall that separates the space portions from each other toward the holding means direction side. And a protrusion preventing means for preventing the inner peripheral surface from projecting and deforming in the direction of the support means due to the concave shape, so that the absorbing means can be deformed due to thermal expansion of the support means. Since it absorbs, the sliding failure with respect to the holding means of a support means can be prevented.
Further, the deformation of the inner peripheral surface of the absorbing means due to thermal expansion is induced in the holding means direction, and even if the inner peripheral surface is deformed in the direction of the supporting means based on the deformation in the holding means direction, it protrudes from the inner peripheral surface. Therefore, the deformation in the direction of the holding means due to the thermal expansion of the support means can be absorbed well. As a result, the slidability in the push-down direction of the shift lever can be improved. Further, it is possible to prevent the deformation of the inner peripheral surface of the absorbing means in the direction of the supporting means with a simple configuration.

また、前記誘導手段は、前記内周面と前記空間部とを隔てる第一隔壁を前記保持手段方向へ湾曲した形状に形成することで前記内周面の前記保持手段方向への変形を誘導する手段であることにより、こうすれば、簡易な構成で吸収手段の内周面を保持手段方向へ変形させることができる。 The front Symbol induction means induces the deformation of the said holding means the direction of the inner circumferential surface by forming a first partition separating said space portion and the inner peripheral surface in a shape curved to the holding means directions By this means, the inner peripheral surface of the absorbing means can be deformed toward the holding means with a simple configuration.

また、前記誘導手段は、前記第一隔壁の少なくとも一部に他の部分に比して剛性の小さい低剛性部を形成することで前記内周面の前記保持手段方向への変形を誘導する手段であることにより、こうすれば、より効果的に吸収手段の内周面の変形を保持手段方向へ誘導することができる。   Further, the guiding means is a means for guiding the deformation of the inner peripheral surface in the direction of the holding means by forming a low-rigidity portion having a lower rigidity than other portions in at least a part of the first partition wall. By doing so, it is possible to guide the deformation of the inner peripheral surface of the absorbing means toward the holding means more effectively.

また、前記第一隔壁は、前記第二隔壁よりも剛性が小さいことにより、こうすれば、より効果的に吸収手段の内周面の変形を保持手段方向へ誘導することができる。 Further, the first partition wall, by the stiffness is smaller than the previous SL second partition, This arrangement can be guided to the holding means direction more effectively deformation of the inner circumferential surface of the absorption means.

また、前記吸収手段は、前記支持手段に比して熱膨張係数が大きい手段であることにより、こうすれば、より効果的に支持手段の熱膨張による保持手段方向への変形を吸収することができる。この結果、シフトレバーの押し下げ方向の摺動性を向上することができる。   In addition, since the absorption means is a means having a larger thermal expansion coefficient than the support means, in this way, the deformation in the direction of the holding means due to the thermal expansion of the support means can be more effectively absorbed. it can. As a result, the slidability in the push-down direction of the shift lever can be improved.

以下、本発明の実施例を図面に基づいて説明する。
図１は、変速操作装置の概略構成図であり、変速操作装置１は、変速機ケース２に取り付けられた保持手段を構成する上面側が開放された略筒状の金属製リテーナー３の内周に、吸収手段を構成する樹脂リング４が段部３ａに係止されて圧入固定されており、この樹脂リング４の内周側に、上下方向に摺動移動可能に支持手段を構成する樹脂製の樹脂ソケット５が設けられており、この樹脂ソケット５には球面係合部５ａが形成され、この球面係合部５ａにシフトレバー７の球面部７ａが嵌め込まれて、シフトレバー７は樹脂ソケット５に揺動可能に支持されている。 Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic configuration diagram of a speed change operation device. The speed change operation device 1 is arranged on the inner periphery of a substantially cylindrical metal retainer 3 having an open upper surface that constitutes a holding means attached to a transmission case 2. The resin ring 4 constituting the absorbing means is fixed to the stepped portion 3a and press-fitted and fixed to the inner peripheral side of the resin ring 4 so as to be slidable in the vertical direction. A resin socket 5 is provided. A spherical engagement portion 5a is formed in the resin socket 5, and the spherical portion 7a of the shift lever 7 is fitted into the spherical engagement portion 5a. Is swingably supported.

なお、樹脂ソケット５は、リテーナー３と樹脂ソケット５間に縦設されているコイルスプリング６により、常には上方へ付勢された状態となっている。
なお、シフトレバー７の下端の接続部７ｂは、ストライキングアーム８に摺動可能に接続され、ストライキングアーム８はストライキングロッド９に接続されている。 The resin socket 5 is always urged upward by a coil spring 6 provided vertically between the retainer 3 and the resin socket 5.
The connecting portion 7 b at the lower end of the shift lever 7 is slidably connected to the striking arm 8, and the striking arm 8 is connected to the striking rod 9.

このような構造において、リバース側へシフト操作する際には、シフトレバー７が押し下げ操作され、このリバースシフト操作時に、樹脂ソケット５が樹脂リング４の内周に沿って下方側へ摺動移動するものであるが、高温下の使用において樹脂ソケット５が膨張した状態でも、下方側への摺動不良が生じないように、樹脂リング４は、図２の斜視図で、また図３の平面拡大図で示すような構造に設定されている。   In such a structure, when the shift operation is performed to the reverse side, the shift lever 7 is pushed down, and the resin socket 5 slides downward along the inner periphery of the resin ring 4 during the reverse shift operation. However, the resin ring 4 is shown in the perspective view of FIG. 2 and enlarged in plan view of FIG. 3 so that a downward sliding failure does not occur even when the resin socket 5 is expanded under high temperature use. The structure shown in the figure is set.

樹脂リング４は、樹脂ソケット５よりも熱膨張係数が大なる樹脂で筒状に形成され、リテーナー３の内周に圧入固定される外周リング部１４の内周側には、円周方向に所定間隔で複数の第二隔壁１５，１５，１５が突出形成されており、各第二隔壁１５の樹脂ソケット５の外周と対面する内周側には、外周リング部１４側へ湾曲状に凹ませて突出防止凹部１５ａが形成され、この突出防止凹部１５ａが突出防止手段を形成している。   The resin ring 4 is formed in a cylindrical shape with a resin having a thermal expansion coefficient larger than that of the resin socket 5, and is provided on the inner peripheral side of the outer peripheral ring portion 14 that is press-fitted and fixed to the inner periphery of the retainer 3 in the circumferential direction. A plurality of second partition walls 15, 15, 15 are formed protruding at intervals, and the second partition wall 15 is recessed in a curved shape toward the outer ring portion 14 on the inner periphery side facing the outer periphery of the resin socket 5. Thus, a protrusion preventing recess 15a is formed, and this protrusion preventing recess 15a forms a protrusion preventing means.

この各突出防止凹部１５ａの周方向両端側に、樹脂ソケット５側へ張り出して内周面基部１７，１７が形成されており、この内周面基部１７から連続して外周リング部１４側へ弓状に湾曲して第一隔壁１７ａが形成され、この第一隔壁１７ａは、その肉厚（径方向）が第二隔壁１５の肉厚（周方向）に比して小さいものとなっており、さらに、第一隔壁１７ａの長さ（周方向）が第二隔壁１５の長さ（径方向）に比して大きいものとなっている。即ち、第一隔壁１７ａは、第二隔壁１５よりも剛性が低い低剛性部となっており、この第一隔壁１７ａが誘導手段を形成している。
この第二隔壁１５，１５の内側に連続した内周面基部１７と第一隔壁１７ａとが内周面となっており、第一隔壁１７ａと外周リング部１４間の各第二隔壁１５，１５間には空間部１６が設けられ、この空間部１６は上下方向に貫通状に形成されたものとなっている。 Inner peripheral surface bases 17 and 17 are formed at both ends in the circumferential direction of the respective protrusion preventing recesses 15a so as to project toward the resin socket 5 side, and are continuously bowed from the inner peripheral surface base 17 to the outer peripheral ring portion 14 side. The first partition wall 17a is formed in a curved shape, and the first partition wall 17a is smaller in thickness (diameter direction) than the thickness (circumferential direction) of the second partition wall 15, Further, the length (circumferential direction) of the first partition wall 17a is larger than the length (radial direction) of the second partition wall 15a. That is, the first partition wall 17a is a low-rigidity portion whose rigidity is lower than that of the second partition wall 15, and the first partition wall 17a forms a guiding means.
An inner peripheral surface base portion 17 and a first partition wall 17a which are continuous inside the second partition walls 15 and 15 serve as an inner peripheral surface, and each of the second partition walls 15 and 15 between the first partition wall 17a and the outer peripheral ring portion 14 is provided. A space portion 16 is provided therebetween, and the space portion 16 is formed in a penetrating shape in the vertical direction.

このような構造の樹脂リング４を、リテーナー３の内周と樹脂ソケット５の外周間に設けておけば、高温下の使用において、樹脂ソケット５はリテーナー３側へ膨張変形することとなるが、この膨張変形を樹脂リング４で良好に吸収することができるものである。   If the resin ring 4 having such a structure is provided between the inner periphery of the retainer 3 and the outer periphery of the resin socket 5, the resin socket 5 is expanded and deformed toward the retainer 3 in use at a high temperature. This expansion deformation can be satisfactorily absorbed by the resin ring 4.

即ち、弓状に湾曲した剛性の低い第一隔壁１７ａは、空間部１６が形成されているため、熱膨張により容易にリテーナー３側に変形することができるため、高温下では、図４の要部平面構成図の実線で示すように、第一隔壁１７ａは熱膨張で弓反りが強くなり外周リング部１４側へ変形することとなるが、この第一隔壁１７ａの外周リング部１４側への変形に伴い内周面基部１７は円周方向に引っ張り力を受け、この時に第二隔壁１５に湾曲状に形成されている突出防止凹部１５ａが内周側へ引っ張られて湾曲形状は緩やかなものとなり、これにより内周面基部１７の最小内径は、熱膨張が生じた時にもほぼ変わらないものとなる。   That is, the low-stiffness first partition wall 17a curved like an arc has a space 16 and can be easily deformed to the retainer 3 side by thermal expansion. As shown by the solid line in the partial plan view, the first partition wall 17a is strongly bowed due to thermal expansion and is deformed toward the outer ring part 14, but the first partition wall 17a is deformed toward the outer ring part 14 side. Along with the deformation, the inner peripheral surface base 17 receives a pulling force in the circumferential direction. At this time, the protrusion preventing recess 15a formed in a curved shape in the second partition wall 15 is pulled toward the inner peripheral side, and the curved shape is gentle. Thus, the minimum inner diameter of the inner peripheral surface base portion 17 becomes substantially unchanged even when thermal expansion occurs.

このように、第一隔壁１７ａがリテーナー３方向へ変形しても、内周面基部１７は内周面から突出することがないため、樹脂ソケット５の熱膨張によるリテーナー３方向への変形を良好に樹脂リング４で吸収することができ、高温時においてもシフトレバー７が押し下げられた時に樹脂ソケット５は良好に下方側へ摺動できるものとなる。しかも、熱膨張が生じた時にも内周面基部１７の最小内径がほぼ変わらないため、樹脂ソケット５と樹脂リング４とのクリアランスがほぼ一定に保たれ、樹脂ソケット５の樹脂リング４に対するガタつきも生じない。   As described above, even if the first partition wall 17a is deformed in the retainer 3 direction, the inner peripheral surface base portion 17 does not protrude from the inner peripheral surface, so that the resin socket 5 is well deformed in the retainer 3 direction due to thermal expansion. Therefore, the resin socket 5 can slide well downward when the shift lever 7 is pushed down even at high temperatures. In addition, since the minimum inner diameter of the inner peripheral surface base portion 17 does not change substantially even when thermal expansion occurs, the clearance between the resin socket 5 and the resin ring 4 is kept substantially constant, and the resin socket 5 is loose with respect to the resin ring 4. Does not occur.

なお、樹脂ソケット５に比して樹脂リング４の熱膨張係数を大に設定しておけば、より効果的に樹脂ソケット５の熱膨張によるリテーナー３側への変形を吸収することができ、シフトレバー７の押し下げ方向の摺動性がより向上するものとなる。   If the coefficient of thermal expansion of the resin ring 4 is set to be larger than that of the resin socket 5, the deformation of the resin socket 5 toward the retainer 3 due to the thermal expansion of the resin socket 5 can be absorbed more effectively. The slidability in the pressing-down direction of the lever 7 is further improved.

次に、本発明の第２実施例の変速操作装置について説明する。
図５は、第２実施例の変速操作装置における樹脂リングの要部平面拡大図である。
第２実施例の変速操作装置における樹脂リング４は、図示するように、第一隔壁１７ａの内周面基部１７側に外周リング１４側へ内周側から凹ませて形成された変形誘導凹部１７ｂと、第二隔壁１５の突出防止凹部１５ａの空間部１６側に凹み状に形成された変形誘導凹部１５ｂとを備える点を除いては第１実施例の変速操作装置における樹脂リング４と同一の構成をしている。 Next, a description will be given of a speed change operating device according to a second embodiment of the present invention.
FIG. 5 is an enlarged plan view of an essential part of the resin ring in the speed change operating device of the second embodiment.
As shown in the drawing, the resin ring 4 in the speed change operating device of the second embodiment is formed by deforming the first partition wall 17a into the inner peripheral surface base 17 side by recessing from the inner peripheral side to the outer peripheral ring 14 side. And the deformation guide recess 15b formed in a recessed shape on the space 16 side of the protrusion preventing recess 15a of the second partition wall 15 is the same as the resin ring 4 in the speed change operating device of the first embodiment. Has a configuration.

第２実施例の変速操作装置における樹脂リング４では、変形誘導凹部１７ｂや変形誘導凹部１５ｂの部分の剛性が低いために、高温時に図６の実線で示すように、この変形誘導凹部１７ｂ，１５ｂを起点として膨張により第一隔壁１７ａが折れ曲がって周方向へ延びて、良好に第一隔壁１７ａが変形されることとなり、内周面基部１７の内周側への突出が起こらず、内周基部１７の最小内径はほぼ変わらないものとなり、樹脂ソケット５の熱膨張によるリテーナー３方向への変形を良好に樹脂リング４で吸収することができるものとなり、シフトレバー７の押し下げ方向の摺動性が向上するものとなる。   In the resin ring 4 in the speed change operation device of the second embodiment, since the rigidity of the deformation guide recess 17b and the deformation guide recess 15b is low, as shown by the solid line in FIG. The first partition wall 17a bends and expands in the circumferential direction due to expansion from the starting point, and the first partition wall 17a is deformed satisfactorily, so that the inner peripheral surface base portion 17 does not protrude toward the inner peripheral side, and the inner peripheral base portion The minimum inner diameter of 17 is substantially unchanged, and the deformation in the retainer 3 direction due to the thermal expansion of the resin socket 5 can be satisfactorily absorbed by the resin ring 4, and the slidability in the push-down direction of the shift lever 7 is improved. It will be improved.

各実施例の変速操作装置では、樹脂リング４は、樹脂ソケット５よりも熱膨張係数が大きい樹脂で形成するものとしたが、樹脂リング４は、樹脂ソケット５と同じ熱膨張係数の樹脂で形成するものとしても構わない。   In the speed change operation device of each embodiment, the resin ring 4 is formed of a resin having a thermal expansion coefficient larger than that of the resin socket 5. It does n’t matter what you do.

以上、本発明の実施の形態について実施例を用いて説明したが、本発明はこうした実施例に限定されるものではなく、本発明の要旨を逸脱しない範囲内において、種々なる形態で実施し得ることは勿論である。   As mentioned above, although embodiment of this invention was described using the Example, this invention is not limited to such an Example, In the range which does not deviate from the summary of this invention, it can implement with a various form. Of course.

変速操作装置の概略縦断面構成図である。It is a schematic longitudinal cross-sectional block diagram of a speed change operation apparatus. リテーナーと樹脂ソケット間に吸収手段である樹脂リングを設けた斜視構成図である。It is a perspective block diagram which provided the resin ring which is an absorption means between the retainer and the resin socket. 図２の平面拡大構成図である。FIG. 3 is an enlarged configuration diagram of FIG. 2. 樹脂リングの熱膨張による変形状態を示す要部平面拡大構成図である。It is a principal part plane enlarged block diagram which shows the deformation | transformation state by the thermal expansion of a resin ring. 樹脂リングの変形例を示す要部平面拡大構成図である。It is a principal part plane enlarged block diagram which shows the modification of a resin ring. 図５の樹脂リングが高温時に熱膨張した状態の平面拡大構成図である。FIG. 6 is an enlarged plan view of a state in which the resin ring of FIG.

１ 変速操作装置
２ 変速機ケース
３ リテーナー（保持手段）
４ 樹脂リング（吸収手段）
５ 樹脂ソケット（支持手段）
７ シフトレバー
７ａ 球面部
８ ストライキングアーム
９ ストライキングロッド
１４ 外周リング部
１５ 第二隔壁
１５ａ 突出防止凹部
１５ｂ 変形誘導凹部
１６ 空間部
１７ 内周面基部
１７ａ 第一隔壁
１７ｂ 変形誘導凹部 DESCRIPTION OF SYMBOLS 1 Shifting operation apparatus 2 Transmission case 3 Retainer (holding means)
4 Resin ring (absorption means)
5 Resin socket (support means)
7 Shift lever 7a Spherical surface portion 8 Striking arm 9 Strike rod 14 Outer ring portion 15 Second partition 15a Protrusion prevention recess 15b Deformation guide recess 16 Space portion 17 Inner peripheral surface base portion 17a First partition 17b Deformation guide recess

Claims (5)

シフトレバーの押し下げ操作によりリバース段へのシフト操作を行なう変速操作装置であって、
前記シフトレバーを揺動可能に支持する支持手段と、
変速機ケースに設けられ前記支持手段を前記押し下げ方向に摺動可能に保持する保持手段と、
外周面側に前記保持手段が配置され内周面側に前記支持手段が配置される略円筒形状に形成されるとともに、前記外周面と前記内周面との間に円周方向に沿う複数の空間部が形成され、前記支持手段の熱膨張による変形を吸収可能な吸収手段と、
を備え、
前記吸収手段は、前記内周面の前記保持手段方向への変形を誘導する誘導手段と、前記空間部同士を隔てる第二隔壁に対向する前記内周面を前記保持手段方向側へ凹ませた凹形状とすることにより前記変形に基づく前記内周面の前記支持手段方向への突出変形を防止する突出防止手段と、を有する手段である
変速操作装置。 A shift operation device that performs a shift operation to a reverse stage by depressing a shift lever,
Support means for swingably supporting the shift lever;
Holding means provided in a transmission case for holding the support means slidably in the push-down direction;
The holding means is arranged on the outer peripheral surface side and the support means is arranged on the inner peripheral surface side. The holding means is formed in a substantially cylindrical shape, and a plurality of circumferential directions are provided between the outer peripheral surface and the inner peripheral surface. An absorption means in which a space is formed and capable of absorbing deformation due to thermal expansion of the support means ;
With
The absorbing means includes a guiding means for inducing deformation of the inner peripheral surface in the holding means direction, and an inner peripheral surface facing the second partition wall that separates the space portions from each other toward the holding means direction side. A shift operation device, which is a means having a protrusion prevention means for preventing a protrusion deformation of the inner peripheral surface in the direction of the support means based on the deformation by forming a concave shape . 前記誘導手段は、前記内周面と前記空間部とを隔てる第一隔壁を前記保持手段方向へ湾曲した形状に形成することで前記内周面の前記保持手段方向への変形を誘導する手段である請求項１記載の変速操作装置。 Before Symbol guidance means, means for directing the deformation to the holding means the direction of the inner circumferential surface by forming a first partition separating said space portion and the inner peripheral surface in a shape curved to the holding means directions The shift operation device according to claim 1, wherein 前記誘導手段は、前記第一隔壁の少なくとも一部に他の部分に比して剛性の小さい低剛性部を形成することで前記内周面の前記保持手段方向への変形を誘導する手段である請求項２記載の変速操作装置。 The guiding means is a means for guiding the deformation of the inner peripheral surface in the direction of the holding means by forming a low-rigidity portion having a rigidity lower than that of the other part in at least a part of the first partition wall. The speed change operation device according to claim 2 . 前記第一隔壁は、前記第二隔壁よりも剛性が小さい請求項２または３記載の変速操作装置。 The first partition wall, before Symbol speed change device of the rigidity is small claim 2 or 3, wherein than the second partition wall. 前記吸収手段は、前記支持手段に比して熱膨張係数が大きい手段である請求項１乃至４何れか記載の変速操作装置。 The transmission operating device according to any one of claims 1 to 4 , wherein the absorbing means is a means having a larger coefficient of thermal expansion than the support means.
JP2006049375A 2006-02-24 2006-02-24 Shifting operation device Expired - Fee Related JP4953657B2 (en)

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